Solved Selecting random string from config.yml

So I have a giveaway plugin, and I'm trying to figure out how to select a random string from the config.yml.
I know for fact that I can use switch statement, but when it comes to a list of 50+ items, what's the best method to randomize something.

Code:

# Config.yml Rewards:
  - diamonds
  - gold
  - emeralds
  - potions
  - 46 other items…

So, using a loop I get all items. Now, since I've got all items from the list, how can I just choose one?

Code:

for(String random : plugin.getConfig().getStringList("# Config.yml Rewards")) {
   //
}

 

@BagduFagdu List#get(int index) just make the index a random number in the range of the size of the list.

 

Thanks, @nverdier .
This is what I did:

Code:

public static String chooseRandom() {
        ArrayList<String> list = (ArrayList<String>) plugin.getConfig().getStringList("# Crate Rewards");
        Random random = new Random();
        int selector = random.nextInt(list.size());
        String chosenReward = list.get(selector);
        list = null; random = null; selector = -1;
        return chosenReward;
}

 

@BagduFagdu Use List<String> instead of ArrayList. Use ThreadLocalRandom#current()#nextInt(... instead of creating a new Random each time you call the method. No need to create 'selector', just in-line it.

 

@nverdier Using hash generally represents a non-static method, current() is static


@BagduFagdu Also, there's no need to null/-1 your objects & int at the end of the method. Not sure why you're doing that.